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...on in prevention and treatment. It was first discovered in 1912, and later in 1951 it was found to be effective against tuberculosis. Isoniazid is never ...year=1912}}</ref> but its activity against tuberculosis was first reported in the early 1950s and three pharmaceutical companies attempted unsuccessfully

...ritannica'' became the first encyclopaedia to adopt "continuous revision", in which the encyclopaedia is continually reprinted and every article updated ...up> edition, ''Index'' preface}}</ref> Although publication has been based in the United States since 1901, the ''Britannica'' has maintained [[American

...ebate|speaker]] on [[freethought]], after having been a [[priest]] earlier in his life. ...holic Comprehensive School]]) for the remainder of his priestly education. In 1890 he was ordained into the priesthood with the name ''Father Antony''.

...less steel to suit the environment to which the material will be subjected in its lifetime. Stainless steel is used where both the properties of steel an ...s steel nyt 1-31-1915.jpg|left|thumb|250px|An announcement, as it appeared in the 1915 ''New York Times'', of the development of stainless steel.<ref nam

...hane|triarylmethane]] dye. The dye is used as a [[histological]] stain and in [[Gram staining|Gram’s method]] of classifying bacteria. Crystal violet h ...name=reinhardt2000/> This was then reacted with additional dimethylaniline in the presence of [[phosphorus oxychloride]] and [[hydrochloric acid]].<ref n

...use of its special molecular structure, ethylene oxide easily participates in the [[addition reaction]], opening its cycle, and thus easily [[polymerisat ...liquid.<ref name=Ullmann>Siegfried Rebsdat, Dieter Mayer "Ethylene Oxide" in Ullmann's Encyclopedia of Industrial Chemistry Wiley-VCH, Weinheim, 2005.{{

{{for|the ghost town in Minnesota |Manganese, Minnesota}} ...ganese is a metal with important industrial metal alloy uses, particularly in stainless steels.

...e [[safety]], [[health]] and [[quality of life|welfare]] of people engaged in [[Employment|work or employment]]. The goal of all occupational health and ...from factors adverse to health; the placing and maintenance of the worker in an occupational environment adapted to his physiological and psychological

...]al [[disease]]s''' — nonexistent, named medical conditions which appear in fiction where they have a '''major''' plot or thematic importance. They may Items in this list are followed by a brief description of symptoms and other details

...Surgeons [[John Collins Warren]] and [[Henry Jacob Bigelow]] are included in this [[daguerrotype]] by [[Southworth & Hawes]].]] ...ained and advanced the practice of [[Medicine in medieval Islam|medicine]] in the [[Arab World]] during the middle ages, while alchemists like [[Paracels

...humb|275px|Condensed milk has a thick consistency and is commonly packaged in tubes or tins.]] [[Image:zguschene moloko.png|thumb|Can of condensed milk sold in Russia, Ukraine and other countries of the former USSR]]

...t of [[cream]]. It also refers to a range of fermented milk drinks, common in warm climates (e.g., Middle East, India, or the Southern United States) whe Published: April 22, 2009</ref> It is also popular in Scandinavia and the Netherlands, despite the colder climates.

...average age of introduction of other foods (such as cow's milk), resulting in increased use of both breastfeeding and infant formula between the ages of | title = Infant Feeding in the 20th Century: Formula and Beikost

...sco Cookbook 1912.jpg|thumb|upright|Cover of the original Crisco cookbook, 1912]] ...nd of [[shortening]] produced by [[the J. M. Smucker Co.]] that is popular in the United States. It was first introduced on the market by June 1911<ref n